1156443152 has 20 divisors (see below), whose sum is σ = 2242860540. Its totient is φ = 577640448.

The previous prime is 1156443149. The next prime is 1156443157. The reversal of 1156443152 is 2513446511.

It can be written as a sum of positive squares in 2 ways, for example, as 259081216 + 897361936 = 16096^2 + 29956^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1156443157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19673 + ... + 51960.

It is an arithmetic number, because the mean of its divisors is an integer number (112143027).

Almost surely, 2^1156443152 is an apocalyptic number.

It is an amenable number.

1156443152 is a deficient number, since it is larger than the sum of its proper divisors (1086417388).

1156443152 is a wasteful number, since it uses less digits than its factorization.

1156443152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72650 (or 72644 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 1156443152 is about 34006.5163167297. The cubic root of 1156443152 is about 1049.6425546724.

Adding to 1156443152 its reverse (2513446511), we get a palindrome (3669889663).

The spelling of 1156443152 in words is "one billion, one hundred fifty-six million, four hundred forty-three thousand, one hundred fifty-two".